208032920

素因数分解:

$2^3\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{2521}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 468486720

約数和(自身を除く): 260453800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2063, 2521, 4126, 5042, 8252, 10084, 10315, 12605, 16504, 20168, 20630, 25210, 41260, 50420, 82520, 100840, 5200823, 10401646, 20803292, 26004115, 41606584, 52008230, 104016460, 208032920]

約数ペア:

[(1, 208032920), (2, 104016460), (4, 52008230), (5, 41606584), (8, 26004115), (10, 20803292), (20, 10401646), (40, 5200823), (2063, 100840), (2521, 82520), (4126, 50420), (5042, 41260), (8252, 25210), (10084, 20630), (10315, 20168), (12605, 16504)]